EGR cleaning? - LS1TECH



LT1-LT4 Modifications 1993-97 Gen II Small Block V8

EGR cleaning?

Reply
 
Thread Tools Search this Thread
Old 07-02-2007, 07:34 PM   #1
TECH Apprentice
Thread Starter
iTrader: (3)
 
greendrazil's Avatar
 
Join Date: Nov 2006
Location: Wichita
Posts: 319
Default EGR cleaning?

I just had a question about how easy it is to get the thing off to even start to clean it. I've also heard it's more cost effective to just replace it.
If so what should be done about it.

Honestly I don't know if it's clogged or not. I'm not having any kind of problems with MPG (17-18.5avg), it's just what I was told one of the codes I have might be caused by.

Thanks.
greendrazil is offline   Reply With Quote
Old 07-02-2007, 07:54 PM   #2
TECH Senior Member
iTrader: (3)
 
Formula350's Avatar
 
Join Date: Oct 2006
Location: Decatur, TN (N-W of Athens)
Posts: 7,567
Default

You said you had bad performance. MPG and performance pretty much go hand in hand. The EGR isn't in use during WOT. Could be the EGR solenoid, but I dunno. It's on the BACK of the intake, wedged between the firewall and the intake.
Formula350 is offline   Reply With Quote
Old 07-02-2007, 08:16 PM   #3
TECH Veteran
iTrader: (12)
 
wrd1972's Avatar
 
Join Date: Mar 2006
Location: Central Kentucky
Posts: 4,551
Default

Quote:
Originally Posted by Formula350
You said you had bad performance. MPG and performance pretty much go hand in hand. The EGR isn't in use during WOT. Could be the EGR solenoid, but I dunno. It's on the BACK of the intake, wedged between the firewall and the intake.
The dirty valve can still stick open a bit at WOT or when it is supposed to be shut, hello vacuum leak.

I never had any luck cleaning them, tried many times and kept getting the code.
just replace it and be done with it.

Or do like I did and totally delete it. This will require block off plates and custom tune.

Last edited by wrd1972; 07-03-2007 at 09:15 AM.
wrd1972 is offline   Reply With Quote
Old 07-02-2007, 08:36 PM   #4
TECH Senior Member
iTrader: (3)
 
Formula350's Avatar
 
Join Date: Oct 2006
Location: Decatur, TN (N-W of Athens)
Posts: 7,567
Default

Ah, I suppose getting stuck would cause problems BUT would also cause fuel economy issues.
Formula350 is offline   Reply With Quote
Old 07-03-2007, 12:41 AM   #5
TECH Apprentice
Thread Starter
iTrader: (3)
 
greendrazil's Avatar
 
Join Date: Nov 2006
Location: Wichita
Posts: 319
Default

It may be getting stuck open at WOT. Every once in a while I get a very loud sucking sound when it shifts into 2nd. Would that happen at the EGR valve?
greendrazil is offline   Reply With Quote
Old 07-03-2007, 01:03 PM   #6
TECH Fanatic
iTrader: (32)
 
Ralls's Avatar
 
Join Date: Oct 2005
Location: Fairfax, Virginia
Posts: 1,687
Default

EGR Valves are too expensive new for how much I care about them. Clean it up and check your EGR solenoid by checking it's vacuum and voltage. It's intimidating since you can't see it, but I used my ratcheting wrenches and got it no problem.

Just be careful with the vacuum lines going from the valve and solenoid. They're plastic and have turned brittle over the years. I snapped one line because of how brittle they are.
Ralls is offline   Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
engine bays.... Raven02TA Paint & Body Work 17 05-22-2011 10:28 PM
Engine Bay clean out ?s 95CamaroLS1 Appearance & Detailing 7 12-15-2010 02:16 PM
oil leak over opti spark, how to clean it up ? killagt LT1-LT4 Modifications 7 08-26-2010 08:00 PM
I am at my wits end with trying to clean my windows... Sgt. Spuds Appearance & Detailing 23 07-18-2006 04:29 PM
Homeowner question - carpet steam cleaning recommendations Fulton 1 Racer's Lounge 5 12-12-2004 10:11 PM


Tags
94, 95, clean, cleaner, cleaning, egr, ls1, lt1, ports, proper, selonoid, solenoid, trans, valve, z28

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are Off



All times are GMT -5. The time now is 04:41 AM.